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Operation prescriptions
Boiler preparation for operation
Before starting the boiler, make sure, that the system is filled with water, deareated and there is no
pressure decrease of the heating water. Check tightness and construction of flue exhaust. To ensure
quality function, the boiler must be attended in conformity with instructions given in this manual.
Only adult person can operate the boiler.
Boiler start-up
Boiler is switched to the stand-by mode by the main switch (left button of double-switch), placed on
the boiler control panel. This is signalized by red control light in the main switch. Boiler is started
by switching the burner mode switch on (right button of double switch). This is signalized by
control light in the switch. Knob of boiler thermostat has to be set to the required temperature of
heating water. By clockwise turning the thermostat is the required temperature increased and vice
versa. Fuel in the burner is ignited automatically by el. coil built inside. Boiler operation is
automatic and it is controlled by boiler thermostat and other regulation elements, that can be
connected into boiler terminal (e.g. room thermostat, programmable regulator, ...). Details about
setting the burner parameters are described in the next chapters of this manual.
ATTENTION!
Condensation and condensate leakage may occur by first heat-up. After longer heating, condesation
is eliminated.
If the boiler was out of order for longer period (turned off or faulty), it is necessary to be more
careful when starting it again. After longer idle period it may come to pump blockage or water
leakage from system.
Regular and proper cleaning is important to ensure sustainable output and boiler life-time. Poor
cleaning may cause boiler damage. All boiler door have to be tightly closed during the operation.
Fuel
By burners for wood pellets combustion:
APPROVED FUEL SPECIFICATION
Moulded wood pellets
Measured weight:
Heat value:
Size/diameter:
Size/length: Attention!
Moisture
Ash content:
Dust content:
Ash smoulder temperature: min. 1 100°C
Fuel must be in conformity with requirements of the norm DIN 51 731.
Methods of boiler regulation
Boiler regulation without room thermostat
For this case there is interconnection installed on contacts of boiler electrical terminal (TP-U1/ U2).
Boiler is regulated according to the boiler temperature set on the boiler thermostat placed on the
boiler control panel.
3
600–750 kg/m
4,7– 5,0 kWh/kg
6–10 mm
max. 35 mm
max.: 12 %
0,5–1 %
max. 3 %
15
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